| 1982 |
67%
|
| 1985 |
75%
|
| 1998 |
54%
|
| 1994 |
67%
|
| 1995 |
56%
|
| 1977 |
65%
|
| 1983 |
50%
|
| 1985 |
48%
|
| 1994 |
55%
|
| 1988 |
57%
|
